ICE - Induced Seismicity due to Gas Extraction: Dynamic Analyses for Retrofitting at Groningen

18th May 2022 6:00 pm

This event has been organized by Young SECED, in collaboration with the IStructE London YMG and the Young KIVI Engineering Society.

In the last decade, with the pressure to increase local energy supplies by unlocking the energy potential of the ground, induced seismicity in the northern part of Europe has considerably increased. At the same time, the existing building stock in the region was not designed to sustain such seismic demands. Consequently, structural and non-structural damage in buildings has been observed. Since the induced earthquakes are caused by third parties, liability issues arise, and a damage claim mechanism is activated.

Groningen, the Netherlands, is the largest on-land gas field in the world and is being exploited since 1963. Induced seismicity in Groningen, despite being characterised by low magnitude events, has led to substantial damage claims and compensation costs as well as public unrest. It is estimated that more than 80,000 damage claims have been filed to date and 1.15b € has been spent on compensations.

In this evening talk, three engineers from both industry and academia will provide insights into the structural damages observed at the Groningen province and present case studies of dynamic numerical analyses for structural assessment and retrofitting.

Presentation titles

  • Induced Seismicity in the Groningen Gas Field and its Effects on the Built Environment (D. Dais)
  • Structural Assessment of Light Damage on a Historical Masonry Structure due to Induced Seismicity (D. Dais)
  • Impact of Advanced Numerical Analyses on Seismic Assessments and Retrofitting Design (T. Xu)
  • Fragility Functions for Unreinforced Masonry Building Typologies with Explicit Collapse Prediction (J. Dennis)

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